del.icio.us, social bookmarking in the context of a viral wave of traffic

One of the most popular web 2.0 tools is social bookmarking. Even if del.icio.us started out as a way to bookmark and tag your favorites sites and blogs, it has evolved into meme in its own right by indicating trends. These trends manifest themselves by the amount of times a certain link has been saved, or by the del.icio.us/popular and del.icio.us/recent pages from the main site. Also, popurls and reaggregator sites diggdot.us.